GB2302110B - Annular chamber with penetrable wall - Google Patents

Annular chamber with penetrable wall

Info

Publication number
GB2302110B
GB2302110B GB9614342A GB9614342A GB2302110B GB 2302110 B GB2302110 B GB 2302110B GB 9614342 A GB9614342 A GB 9614342A GB 9614342 A GB9614342 A GB 9614342A GB 2302110 B GB2302110 B GB 2302110B
Authority
GB
United Kingdom
Prior art keywords
annular chamber
penetrable wall
penetrable
wall
annular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9614342A
Other versions
GB9614342D0 (en
GB2302110A (en
Inventor
Clifford H Beall
Michael S Rawson
Kurt A Hickey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26307819&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2302110(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/036,345 external-priority patent/US5496044A/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB9614342D0 publication Critical patent/GB9614342D0/en
Publication of GB2302110A publication Critical patent/GB2302110A/en
Application granted granted Critical
Publication of GB2302110B publication Critical patent/GB2302110B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
    • E21B17/025—Side entry subs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0423—Threaded with plural threaded sections, e.g. with two-step threads
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/105—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid
    • E21B34/106—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid the retrievable element being a secondary control fluid actuated valve landed into the bore of a first inoperative control fluid actuated valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
GB9614342A 1993-03-24 1994-03-14 Annular chamber with penetrable wall Expired - Lifetime GB2302110B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/036,345 US5496044A (en) 1993-03-24 1993-03-24 Annular chamber seal
GB9519537A GB2291909B (en) 1993-03-24 1994-03-14 Annular chamber seal

Publications (3)

Publication Number Publication Date
GB9614342D0 GB9614342D0 (en) 1996-09-04
GB2302110A GB2302110A (en) 1997-01-08
GB2302110B true GB2302110B (en) 1997-04-23

Family

ID=26307819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9614342A Expired - Lifetime GB2302110B (en) 1993-03-24 1994-03-14 Annular chamber with penetrable wall

Country Status (1)

Country Link
GB (1) GB2302110B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7621331B2 (en) 2002-06-24 2009-11-24 Schlumberger Technology Corporation Fluid communication nipple having an interior passageway with an interior wall section that may be opened to establish fluid communication with the passageway
GB2390106B (en) * 2002-06-24 2005-11-30 Schlumberger Holdings Apparatus and methods for establishing secondary hydraulics in a downhole tool
GB2419147B (en) * 2004-10-12 2008-09-03 Schlumberger Holdings Fluid communication nipple
US7703538B2 (en) 2006-06-23 2010-04-27 Baker Hughes Incorporated Access apparatus from a tubular into a downhole hydraulic control circuit and associated method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373587A (en) * 1980-12-08 1983-02-15 Camco, Incorporated Fluid displacement well safety valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373587A (en) * 1980-12-08 1983-02-15 Camco, Incorporated Fluid displacement well safety valve

Also Published As

Publication number Publication date
GB9614342D0 (en) 1996-09-04
GB2302110A (en) 1997-01-08

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Legal Events

Date Code Title Description
727 Application made for amendment of specification (sect. 27/1977)
727A Application for amendment of specification now open to opposition (sect. 27/1977)
727S Opposition filed under sect. 27(5) - amendment of specification after grant
711L Appl. made for correction of error (sect. 117/77) now open to opposition
711A Proceeding under section 117(1) patents act 1977

Free format text: CASE DECIDED BY THE COMPTROLLER: THE AMENDMENT UNDER SECTION 27 WAS ALLOWED AND THE CORRECTION UNDER SECTION 117 WAS REFUSED.

711Q Appeals lodged - section 117
727G Proceeding under section 27(5) patents act 1977

Free format text: OPPOSITION TO AN APPLICATION TO AMEND A SPECIFICATION AFTER THE GRANT OF A PATENT: CASE DECIDED BY THE COMPTROLLER

Free format text: OPPOSITION TO AN APPLICATION TO AMEND A SPECIFICATION AFTER THE GRANT OF A PATENT: APPEAL LODGED

PE20 Patent expired after termination of 20 years

Expiry date: 20140313